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Finding the Fourth Proportional to 71,998.43, 108,045.86 and 29,878.55

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Solution

The fourth proportional to 71,998.43, 108,045.86 and 29,878.55 is: 44,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,998.43 : 108,045.86 = 29,878.55 : x
  2. Step 2: Convert to fraction form
    71,998.43/108,045.86 = 29,878.55/x
  3. Step 3: Cross multiply
    71,998.43x = 108,045.86 × 29,878.55
  4. Step 4: Simplify right side
    71,998.43x = 3,228,253,751.02
  5. Step 5: Solve for x
    x = 3,228,253,751.02/71,998.43
  6. Step 6: Final answer
    x = 44,837.83

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